/*
 * Licensed to Metamarkets Group Inc. (Metamarkets) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Metamarkets licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package io.druid.java.util.common.parsers;


import com.google.common.base.Function;

import java.util.Map;

public class Parsers
{
  public static final String DEFAULT_LIST_DELIMITER = "\u0001";

  public static <K, V> Function<String, Map<K, V>> toFunction(final Parser p)
  {
    /**
     * Creates a Function object wrapping the given parser.
     * Parser inputs that throw an FormattedException are mapped to null.
     */
    return new Function<String, Map<K, V>>()
    {
      @Override
      public Map<K, V> apply(String input)
      {
        try {
          return p.parse(input);
        }
        catch (Exception e) {
          return null;
        }
      }
    };
  }
}
